20199077717

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4722721}}^1$

素因数の和:4722788

約数の個数: 16

約数和(自身を含む): 25389353472

約数和(自身を除く): 5190275755

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 4722721, 33059047, 61395373, 221967887, 429767611, 1553775209, 2885582531, 20199077717]

約数ペア:

[(1, 20199077717), (7, 2885582531), (13, 1553775209), (47, 429767611), (91, 221967887), (329, 61395373), (611, 33059047), (4277, 4722721)]